Allow admins to select proposals and users to list them

app/controllers/admin/proposals_controller.rb

@@ -6,8 +6,22 @@ class Admin::ProposalsController < Admin::BaseController
 
   has_orders %w[created_at]
 
+  before_action :load_proposal, except: :index
+
   def show
-    @proposal = Proposal.find(params[:id])
+  end
+
+  def update
+    if @proposal.update(proposal_params)
+      redirect_to admin_proposal_path(@proposal), notice: t("admin.proposals.update.notice")
+    else
+      render :show
+    end
+  end
+
+  def toggle_selection
+    @proposal.toggle :selected
+    @proposal.save!
   end
 
   private
@@ -15,4 +29,13 @@ class Admin::ProposalsController < Admin::BaseController
     def resource_model
       Proposal
     end
+
+    def load_proposal
+      @proposal = Proposal.find(params[:id])
+    end
+
+    def proposal_params
+      params.require(:proposal).permit(:selected)
+    end
+
 end